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6463051 |
Internet calling system
A system and method for placing long distance calls from a telephone through the Internet and for receiving telephone calls on a telephone from the Internet is disclosed. A phone server bridge...
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6460088 |
Method and apparatus for port vector determination at egress
An integrated multiport switch operating in a packet switched network provides the capability to alter VLAN tags on a port by port basis. An internal rules checker (IRC) employs a modular...
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6456619 |
Method and system for supporting a decision tree with placeholder capability
A system and method for supporting an interactive decision tree with placeholder capability include an interactive decision tree-based expert unit with an input enabled to receive user data that...
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6456618 |
Method and apparatus for DTMF signaling on compressed voice networks
A method of transmitting DTMF signals over a compressed computer network ( 24 ) comprises sending a packet containing a compressed DTMF signal followed by a confirmation packet. The confirmation...
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6453349 |
Apparatus and method for resource reservation in a network system
A network system comprising terminals and relaying nodes having a reservation message processing unit for transferring a packet wherein a packet receiving terminal 3 requests a reservation of...
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6449270 |
Dynamic re-routing
An Internet Protocol Network Telephony (IPNT) routing system has a call-routing processor to which original calls are routed, and the routing processor forwards incoming calls to remote computer...
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6445696 |
Efficient variable rate coding of voice over asynchronous transfer mode
The invention uses an ATM Adaptation Layer of type 2 (AAL2) standard mechanism to define efficient support for Variable Rate Coding (VRC). The VRC in this context typically refers to codecs, which...
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6442610 |
Arrangement for controlling network proxy device traffic on a transparently-bridged local area network using token management
A transparently-bridged wide area network connecting Ethernet/IEEE 802.3-based local area networks uses redundant proxy devices one each LAN for internetwork communications. The proxy devices on a...
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6442609 |
Distributed data processing system method for controlling such a system
In a distributed data processing system each component is provided with an object orientated platform together with instantiations of a generic network object for each application involving data...
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6430178 |
Internet telephone apparatus, communication system utilizing wide area data communication network, and terminal adapter
To prevent a calling party from paying an Internet connection fee when a called party is busy, in an Internet telephone, a call setting message including a sub-address to the called party is used...
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6426942 |
Device and method for establishing a call connection
Call connections by way of the Internet (internet telephony) are less expensive than ones by way of an open telephone network. However, no fixed transmission rates are guaranteed in the Internet,...
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6424648 |
Method and apparatus for making a phone call connection over an internet connection
The present invention includes a method or Internet phone for automatically dialing up a phone call connection across an Internet connection. Initially the caller manually dials a recipient's...
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6418139 |
Mechanism to guarantee quality of service to real-time traffic on IP networks
A system for routing of data traffic on a communications network comprising a plurality of gatekeepers interlinked to form a network wherein the plurality of gatekeepers control bandwidth and...
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6412000 |
Method for automatically classifying traffic in a packet communications network
In a packet communication environment, a method is provided for automatically classifying packet flows for use in allocating bandwidth resources by a rule of assignment of a service level. The...
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6411605 |
Scheduler for telecommunications bridge
The scheduling system ( 10 ) includes a bridge administrator ( 12 ) that is interfaced with a plurality of nodes ( 14, 16 and 18 ) via a public network such as the Internet ( 24 ). In the...
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6404764 |
Voice over internet protocol telephone system and method
An Internet Protocol telephone system and method uses a telephone ( 26 ) to place and receive voice over Internet Protocol (VoIP)-based telephone calls and public switched telephone network...
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6400707 |
Real time firewall security
A system and method for conducting a voice communication through a hybrid network which includes a packet internetwork, such as the Internet, connected to a circuit switched telephone network. The...
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6396830 |
Implementing network services over the internet through dynamic resolution of personal host names
An e-mail message or other communication received over a computer network is processed so as to be directed to a user-designated host server. An Internet service provider or other organization...
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6389011 |
ATM-based distributed virtual tandem switching system
An Asynchronous Transfer Mode (ATM)-based distributed virtual tandem switching system is provided in which a network of ATM-based devices is combined to create a distributed virtual tandem switch....
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6389014 |
ATM switching device and method capable of providing voice call service
An ATM switching device and method for providing voice call service. In the ATM switching device, input time switch modules are connected to an input PSTN interface to switch channel data received...
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6388991 |
Method and system for interfacing between circuit network switches and ATM edge switches
A method and system for configuring a class 5 switch of a switch network to support a virtual trunk group to an ATM edge switch of an ATM network while avoiding glare in which the switch provides...
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6385195 |
Enhanced interworking function for interfacing digital cellular voice and fax protocols and internet protocols
An enhanced interworking function (E-IWF) supports a method of direct digital interworking between a radio telecommunications network and standard Internet Protocol (IP) routers. A general purpose...
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6385196 |
Communication system architecture and a management control agent and operating protocol therefor
A communication network ( 300 ) comprises a call server ( 302 ) and several fabric control modules ( 322, 326, 330-334 ) coupled to the call server ( 302 ) through a fabric application interface (...
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6377573 |
Method and apparatus for providing a minimum acceptable quality of service for a voice conversation over a data network
A method and apparatus for transmitting delay-sensitive data over a packet-based network involve converting the delay-sensitive data into two versions for transfer through the network with one...
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6353609 |
Digital packet network for the local access loop
A digital packet access network for transporting voice and data signals in the local loop between a central office location and a plurality of remote local users. The network architecture may also...
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6351464 |
Virtual second line hybrid network communication system
A system and method for routing a telephone call on a PSTN network to a data device. The present invention utilizes an automatic call processing system that has a one number location service. A...
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6351526 |
Dialing process for IP telephony
A system and a method for communicating dialed digits between a communication device and a call processor during call setup include transmitting at least the first digit of a telephone number from...
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6345049 |
Network system and communication device
A network system of the present invention has a TDM network including TDM switches and an ATM network including communication devices connected the TDM switches. Each of the communication devices...
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6345047 |
Computer telephony adapter and method
For use at a subscriber site with a subscriber line, for simultaneously sending a telephone call from a PSTN compatible telephone terminal on the subscriber site, and IP packets from a first...
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6343086 |
Global packet-switched computer network telephony server
A system for connecting telephony equipment to computer network equipment includes a telephony interface module adapted to accept at least one telephony connection from a telephony network. A...
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6337858 |
Method and apparatus for originating voice calls from a data network
A method and apparatus for providing voice communications between two parties using computer controlled telephony hardware which is separate from the PSTN is described. The voice communications may...
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6327258 |
Method and apparatus for routing internet calls
A telecommunications network (10) includes a public switched telephone network (12) and an Internet data network (14). The Internet data network (14) includes an Internet routing element (24) and a...
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6310873 |
Internet telephony directory server
The invention relates to a system that provides telephonic communication over the Internet, and more particularly relates to an Internet telephony system that allows the user to select a service to...
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6304753 |
Integration of voice and data services provided to a mobile wireless device
A telecommunication network node which integrates the voice and data services provided to a wireless mobile unit. The network node receives a request for information along with a voice network...
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6304574 |
Distributed processing of high level protocols, in a network access server
A method and apparatus for distributing protocol processing among a plurality of computing platforms. Data communications equipment such as Remote Access Devices, Communication Servers, Terminal...
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6304565 |
Method of completing long distance pots calls with IP telephony endpoints
When a calling party calls a called party on the public-switched telephone network (PSTN), a database common to both the PSTN and an Internet Protocol (IP) network, is accessed to determine whether...
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6292478 |
Telecommunications system
A public switched telephone network utilizing program controlled switching systems controlled by common channel interoffice signaling (CCIS) is arranged in an architecture to provide a methodology...
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6292553 |
Method and apparatus for IP network call delivery
A calling party (12) may enjoy IP network routing of a call to a called party (14) simply by dialing the called party's number. Upon receipt of the call, a network (22) accesses a service database...
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6282193 |
Apparatus and method for a remote access server
A remote access server and method for using the remote access server in a packet network. In one embodiment, the remote access server includes a packet switch fabric, a packet network server and a...
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6282269 |
Voice mail on the internet
A first Internet telephone system 620 attempts to call with a second Internet telephone system 630 via the Internet 600. However, the second Internet telephone system 630 is not logged onto the...
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6282194 |
Transit trunk subnetwork system
The present invention is related to a transit trunk subnetwork system which is configured to expand the existing capacity for bearer traffic in telephone networks. The invention incorporates an...
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6278712 |
Network and switching node in which resource can be reserved
A user terminal sends a resource reservation request message in which time information indicative of time to perform a communication is designated to a switching node to which the self user...
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6272450 |
Cellular network traffic simulator (cents)
A traffic simulator for a cellular radio telecommunications network. The traffic simulator includes a function handler which generates a plurality of basic call functions performed by mobile...
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6269094 |
Telephone terminal and method of telephone communication between a calling terminal and a called terminal for optimizing a cost reduction of calls
A calling telephone terminal and a called telephone terminal optimize the cost reduction of real time communication via a first communication network operating in real time. The calling terminal...
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6266405 |
Extended number portability database services
A system and method for providing portability of internet addressing maintains additional IP addressing information in number portability databases located throughout provider domains in a...
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6259691 |
System and method for efficiently transporting dual-tone multi-frequency/multiple frequency (DTMF/MF) tones in a telephone connection on a network-based telephone system
A method and system in a network telephony system for transporting audio signals with lower delay when DTMF is not present. The method of transporting audio signals determines whether DTMF signals...
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6252850 |
Adaptive digital clock recovery
Adaptive clock recovery enables the clock of a CBR service to be recovered, this service being emulated from an ATM transmitter, is provided at an ATM receiver. The fill level of a first buffer...
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6249519 |
Flow based circuit steering in ATM networks
An application-based circuit steering apparatus and method for redirecting cells within a cell-based network. The circuit steering apparatus includes a data input port configured to receive a...
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6246678 |
Data access server for PBX
A telephony switch configurator to manage and control at least one telephony switch from a network device, said telephony switch containing a read/writable storage medium for storing a...
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6246681 |
System and method for plane selection
A system for selecting one of two or more parallel planes of data is provided. The system includes a first data buffer that is connected to a first data bus that carries a stream of datagrams. The...
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